<html>
	<body>
		<form action="#{encrypt}">
			Letter: <input name="letter" value="${letter}" type="text" />
			<input type="submit" value="Code" />
		</form>
		<p>Encrypted code: ${code}</p>
		<br />
		<!-- {ThreadNames} -->
		<p>Cache thread: ${cacheThreadName}</p>
		<p>Database I/O thread: ${databaseThreadName}</p>
	</body>
</html>